Carl Sagan Autographs
Carl Edward Sagan (/ˈseɪɡən/; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator. Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for Planetary Studies. He played an active role in the Mariner, Viking and Voyager programs. He published more than 600 scientific papers and articles and several popular science books, starting with The Cosmic Connection. He won the Pulitzer Prize for General Nonfiction for The Dragons of Eden.
He co-wrote and narrated the 1980 documentary series Cosmos: A Personal Voyage, which has been seen by at least 500 million people in 60 countries and won two Emmy Awards and a Peabody Award. Cosmos, the companion volume, was the bestselling science book to date.
A lifelong science fiction fan, Sagan entered the genre with Contact, which was adapted as the film of the same name. He was a founding member and first president of the Planetary Society. He proposed the Pale Blue Dot photograph of Earth taken by Voyager 1.
Read more about Carl Sagan on Wikipedia
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Traded items with a signature of Carl Sagan
The most expensive item with a signature of Carl Sagan (Vital Dust by Christian de Duve – Vintage Find Signed By Carl Sagan) was sold in February 2025 for $22,000.00 while the cheapest item (Cosmos by Carl Sagan (1985, Mass Market) Signed By Cari Sagan Greene - Sister) found a new owner for $3.00 in May 2024. The month with the most items sold (4) was July 2014 with an average selling price of $211.25 for an autographed item of Carl Sagan. Sold items reached their highest average selling price in April 2026 with $1,011.90 and the month that saw the lowest prices with $9.95 was January 2009. In average, an autographed item from Carl Sagan is worth $157.50.
Most recently, these items with a signature of Carl Sagan were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | Carl Sagan * Signed* Cosmos 1st Edition-~Dedicated To His Maternal Grandmother ~ | $800.00 |  |
| Carl Sagan * Signed* Cosmos 1st Edition-~Dedicated To His Maternal Grandmother ~ | $800.00 | |
| Carl Sagan * Signed* Cosmos 1st Edition-~Dedicated To His Maternal Grandmother ~ | $800.00 | |
| Carl Sagan * Signed* Cosmos 1st Edition-~Dedicated To His Maternal Grandmother ~ | $800.00 | |
| Carl Sagan * Signed* Cosmos 1st Edition-~Dedicated To His Maternal Grandmother ~ | $800.00 | |
| CARL SAGAN - SCIENTIST - SIGNED FIRST DAY COVER + ENCLSOURE | $224.04 | |
| CARL SAGAN - SCIENTIST - SIGNED FIRST DAY COVER + ENCLSOURE | $224.04 | |
| CARL SAGAN - SCIENTIST - SIGNED FIRST DAY COVER + ENCLSOURE | $224.04 | |
| CARL SAGAN - SCIENTIST - SIGNED FIRST DAY COVER + ENCLSOURE | $224.04 | |
| CARL SAGAN - SCIENTIST - SIGNED FIRST DAY COVER + ENCLSOURE | $224.04 | |
 | Carl Sagan Signed Autograph 1980 Cosmos Hardcover Book PSA/DNA LOA | $1,011.90 | |
| Carl Sagan Signed Autograph 1980 Cosmos Hardcover Book PSA/DNA LOA | $1,011.90 | |
| Carl Sagan Signed Autograph 1980 Cosmos Hardcover Book PSA/DNA LOA | $1,011.90 | |
| Carl Sagan Signed Autograph 1980 Cosmos Hardcover Book PSA/DNA LOA | $1,011.90 | |
| Carl Sagan Signed Autograph 1980 Cosmos Hardcover Book PSA/DNA LOA | $1,011.90 | |
Latest News about Carl Sagan
Carl Sagan's Reading List (07/11/2012): Decoding one of the greatest minds of all time by his information diet Carl Sagan Papers Reveal Astronomer's Robust Reading List (07/11/2012): The personal papers of late scientist and astronomer Carl Sagan reveal there's much more to the thinker than meets the eye--such as he's a loyal reader of Pluto, and read the Bible "in part." Carl Sagan's cosmos of papers finds a home (06/29/2012): Creator of TV's "Family Guy" provides financing for the Library of Congress to house treasures. ArtsBeat: Creator of 'Family Guy' Donates Carl Sagan Papers to Library of Congre (06/27/2012): Seth MacFarlane covered the undisclosed costs of donating to the library papers that filled more than 800 filing-cabinet drawers. A Peek Inside Astronomer Carl Sagan's Mind (06/27/2012): The astronomer Carl Sagan made it his life's work to engage the public in the world of science and exploration. The Library of Congress announced Wednesday that it's acquired his personal papers. Host Audie Cornish talks with Ann Druyan, Sagan's widow.
Older News Stories about Carl Sagan
Carl Sagan's Reading List (07/2012): Decoding one of the greatest minds of all time by his information diet Carl Sagan's cosmos of papers finds a home (06/2012): Creator of TV's "Family Guy" provides financing for the Library of Congress to house treasures.
